Wuxi Changier Technology Co., LtdWe are a professional manufacturer and designer in waste water treatment machineries.Our products include Sludge Dewatering Machine ,Dissolved Air Flotation(DAF),Fine Bubble Disc Diffuser, MBBR Media , Automatic Chemical Dosing System, Screens and Fine Screens, etc.We have hundreds cases in China and have been exported to more than 20 countries. Warmly welcome customer & friends to come to our factory , Hope to cooperate & progress together.